Copyright>        OpenRadioss
Copyright>        Copyright (C) 1986-2024 Altair Engineering Inc.
Copyright>
Copyright>        This program is free software: you can redistribute it and/or modify
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Copyright>
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Copyright>        Commercial Alternative: Altair Radioss Software
Copyright>
Copyright>        As an alternative to this open-source version, Altair also offers Altair Radioss
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Chd|====================================================================
Chd|  ASSPAR_SUB                    source/assembly/asspar_sub.F  
Chd|-- called by -----------
Chd|        RESOL                         source/engine/resol.F         
Chd|-- calls ---------------
Chd|====================================================================
      SUBROUTINE ASSPAR_SUB(A       ,FSKY    ,ADDCNE  ,NODFT_2 ,
     .                      NODLT_2 ,POSI    ,SIZESUB ,SIZEA   )
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C----------------------------------------------
      INTEGER ADDCNE(*),NODFT_2,NODLT_2,POSI(*)
      INTEGER SIZESUB,SIZEA
      my_real 
     .   A(SIZEA),FSKY(ADDCNE(SIZESUB+1),*)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER K,N,NCT,NC,NPOS,NDDL,J
C
      ! Loop over the current nodes
      DO N = NODFT_2, NODLT_2
        NCT  = ADDCNE(N)-1                          ! First element attached to the node in FSKY
        NC   = ADDCNE(N+1)-ADDCNE(N)                ! Number of elements attached to the node
        NPOS = POSI(N)                              ! Position of its first d.o.f in A
        NDDL = POSI(N+1) - NPOS                     ! Number of additional d.o.fs
        
        DO K = NCT+1, NCT+NC                        ! Loop over attached elements
          DO J = 1,NDDL                             !   Loop over additional d.o.fs
            A(NPOS+J-1) = A(NPOS+J-1) + FSKY(K,J)
            FSKY(K,J) = ZERO
          ENDDO
        ENDDO
      ENDDO
C
      RETURN
      END SUBROUTINE ASSPAR_SUB
